|
| 1 | +--- |
| 2 | +title: JSON_OBJECT_INSERT |
| 3 | +--- |
| 4 | +import FunctionDescription from '@site/src/components/FunctionDescription'; |
| 5 | + |
| 6 | +<FunctionDescription description="ๅผๅ
ฅๆๆดๆฐ: v1.2.647"/> |
| 7 | + |
| 8 | +ๅจ JSON ๅฏน่ฑกไธญๆๅ
ฅๆๆดๆฐไธไธช้ฎๅผๅฏนใ |
| 9 | + |
| 10 | +## ่ฏญๆณ |
| 11 | + |
| 12 | +```sql |
| 13 | +JSON_OBJECT_INSERT(<json_object>, <key>, <value>[, <update_flag>]) |
| 14 | +``` |
| 15 | + |
| 16 | +| ๅๆฐ | ๆ่ฟฐ | | |
| 17 | +|---------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---| |
| 18 | +| `<json_object>` | ่พๅ
ฅ็ JSON ๅฏน่ฑกใ | | |
| 19 | +| `<key>` | ่ฆๆๅ
ฅๆๆดๆฐ็้ฎใ | | |
| 20 | +| `<value>` | ่ฆๅ้
็ป้ฎ็ๅผใ | | |
| 21 | +| `<update_flag>` | ไธไธชๅธๅฐๆ ๅฟ๏ผๆงๅถๆฏๅฆๆฟๆข JSON ๅฏน่ฑกไธญๅทฒๅญๅจ็ๆๅฎ้ฎ็ๅผใๅฆๆไธบ `true`๏ผๅฝๆฐไผๆฟๆขๅทฒๅญๅจ้ฎ็ๅผใๅฆๆไธบ `false`๏ผๆ็็ฅ๏ผ๏ผๅฆๆ้ฎๅทฒๅญๅจ๏ผๅไผๆฅ้ใ | | |
| 22 | + |
| 23 | +## ่ฟๅ็ฑปๅ |
| 24 | + |
| 25 | +่ฟๅๆดๆฐๅ็ JSON ๅฏน่ฑกใ |
| 26 | + |
| 27 | +## ็คบไพ |
| 28 | + |
| 29 | +ๆญค็คบไพๆผ็คบๅฆไฝๅฐๆฐ้ฎ 'c' ๅๅ
ถๅผ 3 ๆๅ
ฅๅฐ็ฐๆ็ JSON ๅฏน่ฑกไธญ๏ผ |
| 30 | + |
| 31 | +```sql |
| 32 | +SELECT JSON_OBJECT_INSERT('{"a":1,"b":2,"d":4}'::variant, 'c', 3); |
| 33 | + |
| 34 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ |
| 35 | +โ json_object_insert('{"a":1,"b":2,"d":4}'::VARIANT, 'c', 3) โ |
| 36 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค |
| 37 | +โ {"a":1,"b":2,"c":3,"d":4} โ |
| 38 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ |
| 39 | +``` |
| 40 | + |
| 41 | +ๆญค็คบไพๅฑ็คบไบๅฆไฝไฝฟ็จๆดๆฐๆ ๅฟ่ฎพ็ฝฎไธบ `true`๏ผๅฐ็ฐๆ้ฎ 'a' ็ๅผไป 1 ๆดๆฐไธบ 10๏ผๅ
่ฎธๆฟๆข้ฎ็ๅผ๏ผ |
| 42 | + |
| 43 | +```sql |
| 44 | +SELECT JSON_OBJECT_INSERT('{"a":1,"b":2,"d":4}'::variant, 'a', 10, true); |
| 45 | + |
| 46 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ |
| 47 | +โ json_object_insert('{"a":1,"b":2,"d":4}'::VARIANT, 'a', 10, TRUE) โ |
| 48 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค |
| 49 | +โ {"a":10,"b":2,"d":4} โ |
| 50 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ |
| 51 | +``` |
| 52 | + |
| 53 | +ๆญค็คบไพๆผ็คบไบๅจๅฐ่ฏไธบ็ฐๆ้ฎ 'a' ๆๅ
ฅๅผๆถ๏ผๆชๆๅฎๆดๆฐๆ ๅฟ่ฎพ็ฝฎไธบ `true` ๆถๅ็็้่ฏฏ๏ผ |
| 54 | + |
| 55 | +```sql |
| 56 | +SELECT JSON_OBJECT_INSERT('{"a":1,"b":2,"d":4}'::variant, 'a', 10); |
| 57 | + |
| 58 | +error: APIError: ResponseError with 1006: ObjectDuplicateKey while evaluating function `json_object_insert('{"a":1,"b":2,"d":4}', 'a', 10)` in expr `json_object_insert('{"a":1,"b":2,"d":4}', 'a', 10)` |
| 59 | +``` |
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